10-letter words containing a, r, m, o
- great worm — Internet Worm
- grey nomad — any elderly retired person who spends time travelling around the country in a mobile home
- groceryman — a grocer.
- groundmass — the crystalline, granular, or glassy base or matrix of a porphyritic or other igneous rock, in which the more prominent crystals are embedded.
- groundsman — A male groundskeeper.
- groupmates — Plural form of groupmate.
- guardrooms — Plural form of guardroom.
- hackamores — Plural form of hackamore.
- haemometer — A hemadynamometer.
- hailstorms — Plural form of hailstorm.
- hammer out — a tool consisting of a solid head, usually of metal, set crosswise on a handle, used for beating metals, driving nails, etc.
- hammerkops — Plural form of hammerkop.
- hammerlock — a hold in which one arm of an opponent is twisted and forced upward behind his back.
- hammertoes — Plural form of hammertoe.
- hand mower — a lawn mower that is pushed by hand (distinguished from power mower).
- haptometer — a mechanical device for measuring the sense of touch.
- hard money — (in the US) money given directly to a candidate in an election to assist his or her campaign
- harmonical — Alternative form of harmonic.
- harmonicas — Plural form of harmonica.
- harmonicon — harmonica (def 1).
- harmonious — marked by agreement in feeling, attitude, or action: a harmonious group.
- harmonised — Simple past tense and past participle of harmonise.
- harmoniser — (British spelling) alternative spelling of harmonizer.
- harmonises — Third-person singular simple present indicative form of harmonise.
- harmonists — Plural form of harmonist.
- harmoniums — Plural form of harmonium.
- harmonized — Add notes to (a melody) to produce harmony.
- harmonizer — to bring into harmony, accord, or agreement: to harmonize one's views with the new situation.
- harmonizes — Third-person singular simple present indicative form of harmonize.
- harmsworth — Alfred Charles William, Viscount Northcliffe, 1865–1922, English journalist, publisher, and politician.
- hatemonger — a person who kindles hatred, enmity, or prejudice in others.
- haustorium — a projection from the hypha of a fungus into the organic matter from which it absorbs nutrients.
- heartworms — Plural form of heartworm.
- hebdomadar — (in Scottish universities and grammar schools) a name given to the member of staff whose weekly turn it is to supervise the behaviour of students
- hectograms — Plural form of hectogram.
- hemachrome — Alternative form of haemachrome.
- hematocrit — a centrifuge for separating the cells of the blood from the plasma.
- hemikaryon — a haploid nucleus.
- hemitropal — hemitropous
- hemorrhage — a profuse discharge of blood, as from a ruptured blood vessel; bleeding.
- hemothorax — (medicine) A condition resulting from accumulation of blood in the pleural cavity.
- heptameron — A literary work whose action covers a period of seven days.
- herdswoman — The female equivalent of a herdsman.
- heteroatom — an atom other than carbon in the ring structure of a heterocyclic compound.
- heterogamy — heterogamous state.
- hexaemeron — the six days of the Creation.
- hexamerous — consisting of or divided into six parts.
- hierograms — Plural form of hierogram.
- hieromancy — divination through studying objects offered in sacrifice
- histograms — Plural form of histogram.